Global Patent Index - EP 2423718 A2

EP 2423718 A2 20120229 - Light guide plate and light source module

Title (en)

Light guide plate and light source module

Title (de)

Lichtleiterplatte und Lichtquellenmodul

Title (fr)

Plaque de guide lumineux et module de source lumineuse

Publication

EP 2423718 A2 20120229 (EN)

Application

EP 11177641 A 20110816

Priority

TW 99128494 A 20100825

Abstract (en)

A light guide plate including a first surface (210), a second surface (220), a first light incident surface (230), and a first protruding portion is provided (240). The second surface is opposite to the first surface, and the first light incident surface connects the first surface and the second surface. The first protruding portion is disposed on a junction between the first light incident surface and the first surface. The first protruding portion has a first curved protruding surface (242) connected with the first surface and facing away from the second surface. A light source module (100) is also provided.

IPC 8 full level

G02B 6/00 (2006.01)

CPC (source: EP US)

G02B 6/0021 (2013.01 - EP US); G02B 6/0046 (2013.01 - EP US); G02B 6/0043 (2013.01 - EP US)

Citation (applicant)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

EP 2423718 A2 20120229; EP 2423718 A3 20130403; JP 2012049125 A 20120308; TW 201209480 A 20120301; US 2012051090 A1 20120301

DOCDB simple family (application)

EP 11177641 A 20110816; JP 2011173631 A 20110809; TW 99128494 A 20100825; US 201113106826 A 20110512